<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/ws/560/amz/worldservice/live/assets/images/2013/01/14/130114154108_nigeria_map_304x171__nocredit.jpg>
<http://www.bbc.com/afrique/region/2013/01/130114_nigeria_boko_arrestation.shtml>